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Difference between revisions of "on-screen display controller"

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{{title|On-Screen Display Controller (OSDC)}}
 
{{title|On-Screen Display Controller (OSDC)}}
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An '''on-screen display controller''' or '''on-screen display circuit''' ('''OSDC''' or '''OSD Controller''') or just '''OSD''' is a [[digital circuit]] that provides the functionality needed to create [[on-screen display]]s - i.e. a circuit that allows text and low-level graphics to be superimposed onto a TV screen (on top of normal video signal). OSD circuitry is found as discrete chips, built-into some [[microcontroller]]s, and most recently incorporated into the main graphics processor. Sometimes OSD chips also incorporate other features such as [[picture-in-picture]] (PiP).  
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An '''on-screen display controller''' or '''on-screen display circuit''' ('''OSDC''' or '''OSD Controller''') or just '''OSD''' is a [[digital circuit]] that provides the functionality needed to create [[on-screen display]]s - i.e. a circuit that allows text and low-level graphics to be superimposed onto a TV screen (on top of normal video signal). OSD circuitry is found as discrete chips, built-into some [[microcontroller]]s, and most recently incorporated into the main graphics processor. Sometimes discrete chips also incorporate other features such as [[picture-in-picture]] (PiP) along with OSD.  
  
 
== Typical features ==
 
== Typical features ==

Revision as of 16:38, 11 February 2016

An on-screen display controller or on-screen display circuit (OSDC or OSD Controller) or just OSD is a digital circuit that provides the functionality needed to create on-screen displays - i.e. a circuit that allows text and low-level graphics to be superimposed onto a TV screen (on top of normal video signal). OSD circuitry is found as discrete chips, built-into some microcontrollers, and most recently incorporated into the main graphics processor. Sometimes discrete chips also incorporate other features such as picture-in-picture (PiP) along with OSD.

Typical features

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Architecture

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OSD Chips

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See also


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